Cenote, Mexico. Public domain Bimmah, Oman. Public domain China. Public domain Mendoza, Argentina Guatemala City Describing a place or building of a historical interest Read complete text in Wikipedia The 65-metre-long (213 ft) main chamber of the Old Library, the Long Room, was built between 1712 and 1732 and houses 200,000 of the Library's oldest books. Initially The Long Room had a flat ceiling, shelving for books only on the lower level, and an open gallery. By the 1850s the room had to be expanded as the shelves were filled due to the fact that the Library had been given permission to obtain a free copy of every book that had been published in Ireland and Britain. In 1860, The Long Room's roof was raised to accommodate an upper gallery. The Long Room is lined with marble busts. The marble bust collection was formed when 14 busts from the famous sculptor Peter Scheemakers were acquired by the college. Many of t...